If you're one of those do-gooders who follows your dentist's every whim, changing out your toothbrush every two months, then the TiFinity titanium toothbrush might be for you. Its inventor says it lasts ten times longer than ordinary toothbrushes, and keeps all those deadly bacteria at bay, too. But who wants to brush… »2/09/07 8:59am 2/09/07 8:59am